參數(shù)資料
型號： MK20X256VLQ100
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 32-BIT, FLASH, 100 MHz, RISC MICROCONTROLLER, PQFP144
封裝： 20 X 20 MM, LQFP-144
文件頁數(shù)： 54/74頁
文件大小： 1849K
代理商： MK20X256VLQ100
6.8.6 DSPI switching specifications (high-speed mode)
The DMA Serial Peripheral Interface (DSPI) provides a synchronous serial bus with
master and slave operations. Many of the transfer attributes are programmable. The tables
below provide DSPI timing characteristics for classic SPI timing modes. Refer to the
DSPI chapter of the Reference Manual for information on the modified transfer formats
used for communicating with slower peripheral devices.
Table 39. Master mode DSPI timing (high-speed mode)
Num
Description
Min.
Max.
Unit
Operating voltage
2.7
3.6
V
Frequency of operation
—
25
MHz
DS1
DSPI_SCK output cycle time
2 x tBCLK
—
ns
DS2
DSPI_SCK output high/low time
(tSCK/2) 2
(tSCK/2) + 2
ns
DS3
DSPI_PCSn to DSPI_SCK output valid
(tSCK/2) 2
—
ns
DS4
DSPI_SCK to DSPI_PCSn output hold
(tSCK/2) 2
—
ns
DS5
DSPI_SCK to DSPI_SOUT valid
—
8.5
ns
DS6
DSPI_SCK to DSPI_SOUT invalid
2
—
ns
DS7
DSPI_SIN to DSPI_SCK input setup
TBD
—
ns
DS8
DSPI_SCK to DSPI_SIN input hold
0
—
ns
DS3
DS4
DS1
DS2
DS7
DS8
First data
Last data
DS5
First data
Data
Last data
DS6
Data
DSPI_PCSn
DSPI_SCK
(CPOL=0)
DSPI_SIN
DSPI_SOUT
Figure 24. DSPI classic SPI timing — master mode
Table 40. Slave mode DSPI timing (high-speed mode)
Num
Description
Min.
Max.
Unit
Operating voltage
2.7
3.6
V
Frequency of operation
12.5
MHz
DS9
DSPI_SCK input cycle time
4 x tBCLK
—
ns
DS10
DSPI_SCK input high/low time
(tSCK/2) 2
(tSCK/2 + 2
ns
Table continues on the next page...
Peripheral operating requirements and behaviors
K20 Sub-Family Data Sheet Data Sheet, Rev. 4, 3/2011.
58
Preliminary
Freescale Semiconductor, Inc.
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相關代理商/技術參數(shù)
參數(shù)描述
MK20X256VMB100 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Up to 100 MHz ARM Cortex-M4 core with DSP instructions delivering 1.25 Dhrystone MIPS per MHz
MK20X256VMC100 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Up to 100 MHz ARM Cortex-M4 core with DSP instructions delivering 1.25 Dhrystone MIPS per MHz
MK20X256VMD100 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Up to 100 MHz ARM Cortex-M4 core with DSP instructions delivering 1.25 Dhrystone MIPS per MHz
MK2104MAV 制造商:Panasonic Industrial Company 功能描述:DISK DRIVE
MK21-1A66B-100W 制造商:MEDER 制造商全稱:Meder Electronic 功能描述:MK Reed Sensor
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